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javascript - 使用angular js点击另一个div后Div移动

转载 作者:太空狗 更新时间:2023-10-29 15:07:36 34 4
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我为我的元素实现了 DRAG 和 DROP Angularjs,将 DIV 从一个位置移动到另一个位置,以便让用户能够对元素进行分类。我只需要满足我的简单要求即:

Step 1: User click at division (1) 
Step 2: User click at division (2)

过程将采取:一旦用户进入STEP(2)Goose 将移动到STEP (2)。如果用户在 STEP(2) 中再次点击 Goose,它将返回到 STEP(1)

我该怎么做?

如您所见我的预期输出:

enter image description here

我目前的代码:

var myApp = angular.module('MyApp',['ngDraggable']).controller('MyCtrl',function($scope){

$scope.centerAnchor = true;
$scope.toggleCenterAnchor = function () {
$scope.centerAnchor = !$scope.centerAnchor
};

var onDraggableEvent = function (evt, data) {
console.log("128", "onDraggableEvent", evt, data);
};
$scope.$on('draggable:start', onDraggableEvent);
$scope.$on('draggable:end', onDraggableEvent);
$scope.droppedObjects0 = [{name:'Goose'},{name:'Rabbit'},{name:'Chick'},{name:'Cat'}];
$scope.droppedObjects1 = []; //Answer: Cat + Rabbit
$scope.droppedObjects2 = []; //Answer: Chicken + Goose


$scope.AnswerOject1 = [{name:'Arnab'},{name:'Kucing'}];
$scope.AnswerOject2 = [{name:'Angsa'},{name:'Ayam'}];

$scope.onDropComplete0 = function (data, evt) {
console.log("127", "$scope", "onDropComplete0", data, evt);
var index = $scope.droppedObjects0.indexOf(data);
if (index == -1)
$scope.droppedObjects0.push(data);
};
$scope.onDropComplete1 = function (data, evt) {
console.log("127", "$scope", "onDropComplete1", data, evt);
var index = $scope.droppedObjects1.indexOf(data);
if (index == -1)
$scope.droppedObjects1.push(data);
};
$scope.onDragSuccess0 = function (data, evt) {
console.log("133", "$scope", "onDragSuccess0", "", evt);
var index = $scope.droppedObjects0.indexOf(data);
if (index > -1) {
$scope.droppedObjects0.splice(index, 1);
}
};
$scope.onDragSuccess1 = function (data, evt) {
console.log("133", "$scope", "onDragSuccess1", "", evt);
var index = $scope.droppedObjects1.indexOf(data);
if (index > -1) {
$scope.droppedObjects1.splice(index, 1);
}
};
$scope.onDragSuccess2 = function (data, evt) {
var index = $scope.droppedObjects2.indexOf(data);
if (index > -1) {
$scope.droppedObjects2.splice(index, 1);
}
};
$scope.onDropComplete2 = function (data, evt) {
var index = $scope.droppedObjects2.indexOf(data);
if (index == -1) {
$scope.droppedObjects2.push(data);
}
};
var inArray = function (array, obj) {
var index = array.indexOf(obj);
};
});
.body
{
width:500px;
margin-left:auto;
margin-right:auto;
}

[ng-drag] {
-moz-user-select: -moz-none;
-khtml-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
user-select: none;
}

[ng-drag] {
width: 50px;
height: 50px;
background: rgba(255, 255, 255, 0.5);
color: #131313;
text-align: center;
padding-top: 12px;
display: inline-block;
margin: 5px 5px;
cursor: move;
border: 1px solid #ccc;
border-radius: 4px;
}

ul.draggable-objects:after {
display: block;
content: "";
clear: both;
}

.draggable-objects li {
float: left;
display: block;
width: 50px;
height: 50px;
margin:2px;
}

[ng-drag].drag-over {
border: solid 1px red;
}

[ng-drag].dragging {
opacity: 0.5;
}

[ng-drop] {
background: rgba(198, 255, 198, 0.5);
text-align: center;
height: 150px;
padding-top: 10px;
display: block;
margin: 20px auto;
position: relative;
border: 1px solid #c3c3c3;
border-radius: 8px;
}

[ng-drop].drag-enter {
border: solid 5px red;
}

[ng-drop] span.title {
display: block;
position: absolute;
top: 50%;
left: 50%;
width: 200px;
height: 20px;
margin-left: -100px;
margin-top: -10px;
}

[ng-drop] div {
position: relative;
z-index: 2;
}
.list-of-drag-item
{
height: 83px;
background-color: #f7f7f7;
}
<link href="http://code.ionicframework.com/1.3.1/css/ionic.min.css" rel="stylesheet"/>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/ngDraggable/0.1.10/ngDraggable.js"></script>

<div ng-app="MyApp" ng-controller="MyCtrl" class="body">
Categorize the animals based on their reproductive system
<div class="row">
<div class="col">
<div class="list-of-drag-item" ng-drop="true" ng-drop-success="onDropComplete0($data,$event)">
<div ng-click="clickMe()" ng-repeat="obj in droppedObjects0" ng-drag="true" ng-drag-data="obj"
ng-drag-success="onDragSuccess0($data,$event)" ng-center-anchor="{{centerAnchor}}">
{{obj.name}}
</div>
</div>
</div>
</div>
<div class="row" style="text-align: center;">
<div class="col div-left">
<span class="title">Animals that give birth
<div ng-drop="true" ng-drop-success="onDropComplete1($data,$event)">
<div ng-repeat="obj in droppedObjects1" ng-drag="true" ng-drag-data="obj"
ng-drag-success="onDragSuccess1($data,$event)" ng-center-anchor="{{centerAnchor}}">
{{obj.name}}
</div>
</div>
</div>
<div class="col div-right">
<span class="title">Animals that Laying Eggs</span>
<div ng-drop="true" ng-drop-success="onDropComplete2($data,$event)">
<div ng-repeat="obj in droppedObjects2" ng-drag="true" ng-drag-data="obj"
ng-drag-success="onDragSuccess2($data,$event)" ng-center-anchor="{{centerAnchor}}">
{{obj.name}}
</div>
</div>
</div>
</div>
</div>

最佳答案

我更改了您的代码以实现此目的。首先,您还没有检查 drop 事件处理程序上是否有对象,如果您只是单击一个元素,drop 事件就会被触发。一定是拖放库中的错误。然后,我在元素上添加了点击处理程序,用于在 $scope.activeElement 中保存给定引用,并在 containerOfActiveElement 中保存它们的容器引用。容器上还有用于在容器数组中添加和移除事件元素的点击处理程序。

模板和css中还有一些代码用于在事件元素上设置红色背景。它还添加了一个过渡,结合 Angular $timeout,使动画发生。

你有很多重复的代码。您可以像我一样通过传递数组引用来改进它。

var myApp = angular.module('MyApp', ['ngDraggable']).controller('MyCtrl',function($scope, $timeout){

$scope.activeElement;
var containerOfActiveElement;
var activeHTMLElement;
var getCenterOfELement = function (htmlElement) {
var rect = htmlElement.getBoundingClientRect();
return {
x: rect.left + rect.width / 2,
y: rect.top + rect.height / 2
}
};
$scope.onElementClick = function(event, data, container) {
if (!angular.equals(data, $scope.activeElement)) {
event.stopPropagation(); // you need this for not firing event on container
$scope.activeElement = data;
containerOfActiveElement = container;
activeHTMLElement = event.target;
} else
$scope.activeElement = null;
};
$scope.onTargetClick = function(container, event) {
if ($scope.activeElement) {
var activeCenter = getCenterOfELement(activeHTMLElement);
var targetCenter = getCenterOfELement(event.target);
var offsetX = targetCenter.x - activeCenter.x;
var offsetY = targetCenter.y - activeCenter.y;
activeHTMLElement.style.transform= 'translate('+offsetX+'px,'+offsetY+'px)';
$timeout(function() {
container.push($scope.activeElement);
var index = containerOfActiveElement.indexOf($scope.activeElement);
containerOfActiveElement.splice(index, 1);
$scope.activeElement = null;
containerOfActiveElement = null;
activeHTMLElement = null;
}, 200);
}
};

$scope.centerAnchor = true;
$scope.toggleCenterAnchor = function () {
$scope.centerAnchor = !$scope.centerAnchor
};

/* can be removed, since it has no effect:
var onDraggableEvent = function (evt, data) {
console.log("128", "onDraggableEvent", evt, data);
};
$scope.$on('draggable:start', onDraggableEvent);
$scope.$on('draggable:end', onDraggableEvent);
*/

$scope.droppedObjects0 = [{name:'Goose'},{name:'Rabbit'},{name:'Chick'},{name:'Cat'}];
$scope.droppedObjects1 = []; //Answer: Cat + Rabbit
$scope.droppedObjects2 = []; //Answer: Chicken + Goose


$scope.AnswerOject1 = [{name:'Arnab'},{name:'Kucing'}];
$scope.AnswerOject2 = [{name:'Angsa'},{name:'Ayam'}];

$scope.onDropComplete0 = function (data, evt) {
console.log("127", "$scope", "onDropComplete0", data, evt);
var index = $scope.droppedObjects0.indexOf(data);
if (index == -1 && data !== null) // gave unwanted result if data was null (new empty object)
$scope.droppedObjects0.push(data);
};
$scope.onDropComplete1 = function (data, evt) {
console.log("127", "$scope", "onDropComplete1", data, evt);
var index = $scope.droppedObjects0.indexOf(data);
if (index == -1 && data !== null)
$scope.droppedObjects1.push(data);
};
$scope.onDragSuccess0 = function (data, evt) {
console.log("133", "$scope", "onDragSuccess0", "", evt);
var index = $scope.droppedObjects0.indexOf(data);
if (index > -1 && data) {
$scope.droppedObjects0.splice(index, 1);
}
};
$scope.onDragSuccess1 = function (data, evt) {
console.log("133", "$scope", "onDragSuccess1", "", evt);
var index = $scope.droppedObjects1.indexOf(data);
if (index > -1) {
$scope.droppedObjects1.splice(index, 1);
}
};
$scope.onDragSuccess2 = function (data, evt) {
var index = $scope.droppedObjects2.indexOf(data);
if (index > -1) {
$scope.droppedObjects2.splice(index, 1);
}
};
$scope.onDropComplete2 = function (data, evt) {
var index = $scope.droppedObjects2.indexOf(data);
if (index == -1 && data !== null) {
$scope.droppedObjects2.push(data);
}
};
var inArray = function (array, obj) {
var index = array.indexOf(obj);
};
$scope.logResults = function() {
console.log({
'div1': $scope.droppedObjects0,
'div2': $scope.droppedObjects1,
'div3': $scope.droppedObjects2
});
}
});
.body
{
width:500px;
margin-left:auto;
margin-right:auto;
}

[ng-drag] {
-moz-user-select: -moz-none;
-khtml-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
user-select: none;
}

[ng-drag] {
width: 50px;
height: 50px;
background: rgba(255, 255, 255, 0.5);
color: #131313;
text-align: center;
padding-top: 12px;
display: inline-block;
margin: 5px 5px;
cursor: move;
border: 1px solid #ccc;
border-radius: 4px;
}

ul.draggable-objects:after {
display: block;
content: "";
clear: both;
}

.draggable-objects li {
float: left;
display: block;
width: 50px;
height: 50px;
margin:2px;
}

[ng-drag].drag-over {
border: solid 1px red;
}

[ng-drag].dragging {
opacity: 0.5;
}

[ng-drop] {
background: rgba(198, 255, 198, 0.5);
text-align: center;
height: 150px;
padding-top: 10px;
display: block;
margin: 20px auto;
position: relative;
border: 1px solid #c3c3c3;
border-radius: 8px;
}

[ng-drop].drag-enter {
border: solid 5px red;
}

[ng-drop] span.title {
display: block;
position: absolute;
top: 50%;
left: 50%;
width: 200px;
height: 20px;
margin-left: -100px;
margin-top: -10px;
}

[ng-drop] div {
position: relative;
z-index: 2;
}
.list-of-drag-item
{
height: 83px;
background-color: #f7f7f7;
}

.active {
background-color: red;
color: white;
transition: transform .2s ease-in-out;
}
<link href="http://code.ionicframework.com/1.3.1/css/ionic.min.css" rel="stylesheet"/>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/ngDraggable/0.1.10/ngDraggable.js"></script>

<div ng-app="MyApp" ng-controller="MyCtrl" class="body">
Categorize the animals based on their reproductive system
<div class="row">
<div class="col">
<div class="list-of-drag-item" ng-drop="true" ng-drop-success="onDropComplete0($data,$event)" ng-click="onTargetClick(droppedObjects0, $event)">
<div ng-click="onElementClick($event, obj, droppedObjects0)" ng-repeat="obj in droppedObjects0" ng-drag="true" ng-drag-data="obj"
ng-drag-success="onDragSuccess0($data,$event)" ng-center-anchor="{{centerAnchor}}" ng-class="{active: activeElement.name === obj.name}">
{{obj.name}}
</div>
</div>
</div>
</div>
<div class="row" style="text-align: center;">
<div class="col div-left">
<span class="title">Animals that give birth
<div ng-drop="true" ng-drop-success="onDropComplete1($data,$event)" ng-click="onTargetClick(droppedObjects1, $event)">
<div ng-repeat="obj in droppedObjects1" ng-drag="true" ng-drag-data="obj" ng-drag-success="onDragSuccess1($data,$event)" ng-center-anchor="{{centerAnchor}}" ng-click="onElementClick($event, obj, droppedObjects1)" ng-class="{active: activeElement.name === obj.name}">
{{obj.name}}
</div>
</div>
</div>
<div class="col div-right">
<span class="title">Animals that Laying Eggs</span>
<div ng-drop="true" ng-drop-success="onDropComplete2($data,$event)" ng-click="onTargetClick(droppedObjects2, $event)">
<div ng-repeat="obj in droppedObjects2" ng-drag="true" ng-drag-data="obj"
ng-drag-success="onDragSuccess2($data,$event)" ng-center-anchor="{{centerAnchor}}" ng-click="onElementClick($event, obj, droppedObjects2)" ng-class="{active: activeElement.name === obj.name}">
{{obj.name}}
</div>
</div>
</div>
</div>
<button ng-click="logResults()">log results</button>
</div>

关于javascript - 使用angular js点击另一个div后Div移动,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/39767151/

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